System crash - now shows "no space on device"

[Michael Butash]

Opps, read one of the posts i missed with the link to your syslog - are 
you still getting the same acpi and netlink messages?

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/475704

Looks like it's a hardware resource issue, which per that is sort of an 
irq sharing issue (flashback to 1995).  Looks like a it affects earlier 
ubuntu kernels around 10.10, time for a new kernel/install?

The netlink one is a bit odd, what network interfaces do you have 
present in the device?  Looks like it might be wireless related, maybe 
an unused, but active wireless device?

-mb


On 09/04/2012 09:55 PM, Michael Butash wrote:
> I'd just do "ls -lahS /var/log", which is long/all/human/sort, and
> should put the biggest files at the top, Looked like syslog, messages,
> user.log were huge. Just delete them and run fsck.ext4(is ext4 right?)
> on it from single-user, or unmounting it first if mounted. I've had this
> happen, that should fix the inode problem, and reboot after fsck if not.
>
> Might want to cat the file prior to deletion and have a lookie to see
> what is filling your logs. The fact it's in user.log too, it's likely a
> userland app spewing bonkers - make it happy or reduce runtime syslog
> verbosity. Pulseaudio was always a pita for this.
>
> For this reason alone, I usually build /var/log or /var even as a
> separate lvm or partition. If it fills, usually only syslog daemon dies
> as a result. Learn how to use lvm lv's, they're quite helpful for these
> sorts of issues and way more flexible than raw partitions. I also
> generally don't get inode issue persistence if it fills like I do with a
> raw partition.
>
> -mb
>
>
> On 09/04/2012 08:05 PM, Lisa Kachold wrote:
>> Glad you got into it Joe - see below,
>>
>> On Tue, Sep 4, 2012 at 8:45 AM, <joe at actionline.com
>> <mailto:joe at actionline.com>> wrote:
>>
>>
>> Thanks Lisa. Deleting some of the /var/log/messages files did free up
>> enough space that I was able to boot into kde. But questions
>> remain: why
>> did the system create about 3-gig of messages? And that only reduced the
>> root partition from 12-gigs to 9-gigs when there is actually only
>> 3.5-gigs
>> of valid content in the root partition?
>>
>>
>> > You can check your free inodes via: # df -i
>> > or via: # tune2fs -l /dev/sdb1 | grep *Free
>>
>> df -i shows 770K Inodes available 162K used and 608K available, so
>> that is
>> not the problem.
>>
>> Okay that's all good!
>>
>>
>> tune2fs does not work.
>>
>> > and delete all the files in;
>> > /var/spool/mail/root
>> > /var/log/messages
>> > /var/log/mail*
>> > /var/log/mess*
>>
>> /var/log/messages did have enormous files and /var/log/syslog also has
>> more enormous files which seem to be identical in size to
>> /var/log/messages. Why are these duplicated?
>>
>>
>> Your /etc/syslog.conf will show you what you are logging and why,
>>
>> > Look for core files
>>
>> locate core <E> generates a huge list of files that contain 'core'
>> as part
>> of the file names, but none that I can identify as core dumps. How can I
>> find only core dumps?
>>
>> > You can also use yum or apt-get to remove a package to quickly
>> get some
>> > diskspace frree
>>
>> |find / -name core -exec rm {} \;
>> |
>>
>> I have been able to 'rm' some files (i.e. messages), but what packages
>> could I safely remove?
>>
>> > Use locate (find-utils) to identify and remove core files, iso's and
>> > Virtualbox images. But you can't find or locate without /tmp file
>> space.
>>
>> > removing the root mail spool (be sure to create it again with
>> > "touch /var/spool/mail/root | chown root:mail /var/spool/mail/root"
>>
>> > You can also determine what files were modified 2 days ago:
>> > touch -t 201209172359 dummy
>> > find / -name 'DS*' -newer dummy
>>
>>
>> You can also run:
>>
>> du -h
>>
>> to see what is populated with what.
>>
>> df -h
>>
>> is also good
>>
>> locate *,iso
>>
>> locate *,gz
>>
>> locate *.rpm
>>
>>
>>
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